AVDEENKO, G. .; DMITREV , S. .; ZIELIŃSKI, J. COVID-19 and Entrepreneurial Activity: A Comparative Analysis of Consequences and Expectations. De Securitate et Defensione. O Bezpieczeństwie i Obronności, [S. l.], v. 6, n. 2, p. 8–22, 2020. DOI: 10.34739/dsd.2020.02.01. Disponível em: https://czasopisma.uph.edu.pl/desecuritate/article/view/1875. Acesso em: 3 dec. 2022.